---
title: "Update Slack account settings"
method: PATCH
path: "/v1/accounts/{accountId}/slack-settings"
tags: ["Accounts"]
---

# Update Slack account settings

`PATCH /v1/accounts/{accountId}/slack-settings`

Set or clear the default message identity for this channel. Empty string clears a field; per-post platformSpecificData.username/iconUrl still override these defaults.

## Path parameters

- `accountId` string, required

## Request body

- object
  - `defaultUsername` string — Author name shown on posts. Empty string clears it.
  - `defaultIconUrl` string — Author avatar image URL. Empty string clears it.

## Response `200`

Updated settings

## Other responses

- `400` — Invalid request
- `401` — Unauthorized
- `404` — Account not found

## Changes

- **2026-09-16** `3e6ddf2a99ea` — 1 info
  - added the optional property `details/budgetScope` to the response with the `400` status
- **2026-09-15** `0dba7d004d75` — 2 info
  - added the optional property `details/quotaExhausted` to the response with the `400` status
  - added the optional property `details/quotaScope` to the response with the `400` status

[Change history](https://skmtc.dev/zernio/apis/zernio-api/changes/v1/accounts/:accountId/slack-settings/patch.md)

---

[API](https://skmtc.dev/zernio/apis/zernio-api.md) · [All operations](https://skmtc.dev/zernio/apis/zernio-api/llms.txt) · [OpenAPI document](https://skmtc.dev/zernio/apis/zernio-api/revisions/be448f13ecdc?raw)